The Hashemite Kingdom of Jordan has been known as an oasis of calm and stability in a region ridden with conflicts. But last month, as King Abdullah II placed his half-brother, Prince Hamzah, under house arrest along with 18 others, the kingdom’s many vulnerabilities were exposed. There have been succession …

America’s “unipolar moment” has lingered on in the international distribution of space capabilities, but it will not last forever. American space partisans could be forgiven for yawning at the recent announcement that the Russian and Chinese space agencies will build a joint lunar research base. The statement included no timeline, …